20069757

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 30704960

約数和(自身を除く): 10635203

約数列:

[1, 3, 9, 19, 57, 171, 241, 487, 723, 1461, 2169, 4383, 4579, 9253, 13737, 27759, 41211, 83277, 117367, 352101, 1056303, 2229973, 6689919, 20069757]

約数ペア:

[(1, 20069757), (3, 6689919), (9, 2229973), (19, 1056303), (57, 352101), (171, 117367), (241, 83277), (487, 41211), (723, 27759), (1461, 13737), (2169, 9253), (4383, 4579)]